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symfony 2 twig limit the length of the text and put three dots
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@mshobnr / @olegkhuss solution made into a simple macro:
{% macro trunc(txt, len) -%}
{{ txt|length > len ? txt|slice(0, len) ~ '…' : txt }}
{%- endmacro %}
Usage example:
{{ tools.trunc('This is the text to truncate. ', 50) }}
N.b. I import a Twig template containing macros and imp...
HTML5 canvas ctx.fillText won't do line breaks?
...'c').getContext('2d');
c.font = '11px Courier';
console.log(c);
var txt = 'line 1\nline 2\nthird line..';
var x = 30;
var y = 30;
var lineheight = 15;
var lines = txt.split('\n');
for (var i = 0; i<lines.length; i++)
c.fillText(lines[i], x, y + (i*lineheight) );
canvas{backgro...
Can I force pip to reinstall the current version?
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If you want to reinstall packages specified in a requirements.txt file, without upgrading, so just reinstall the specific versions specified in the requirements.txt file:
pip install -r requirements.txt --ignore-installed
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How do I use Java to read from a file that is actively being written to?
...eredInputStream reader = new BufferedInputStream(new FileInputStream( "out.txt" ) );
public void run() {
while( running ) {
if( reader.available() > 0 ) {
System.out.print( (char)reader.read() );
}
else {
try {
sleep( 500 );
...
How to include package data with setuptools/distribute?
...ettings.xml
- words
- __init__.py
word_set.txt
setup.py:
from setuptools import setup, find_packages
import os.path
setup (
name='myproject',
version = "4.19",
packages = find_packages(),
# package_dir={'mypkg': 'src/mypkg'}, # didnt use this.
...
Most simple but complete CMake example
...intainance in the future. For example, I don't want to update my CMakeList.txt when I am adding a new folder in my src tree, that works exactly like all other src folders.
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程序员之网络安全系列（二）：如何安全保存用户密码及哈希算法 - 更多技术 ...
...容？（保密性)
如何保证隔壁老王不修改情书的内容？（完整性)
如何保证隔壁老王不冒充明明？（身份认证)
如何保证明明不能否认情书是自己写的？（来源的不可否认)
通过了解hash算法,”明明” 就有办法让丽丽知道信...
Writing string to a file on a new line every time
... an additional function wl that does what you want:
fid = cfile('filename.txt', 'w')
fid.wl('appends newline charachter')
fid.wl('is written on a new line')
fid.close()
Maybe I am missing something like different newline characters (\n, \r, ...) or that the last line is also terminated with a new...
Linux how to copy but not overwrite? [closed]
...existing file (overrides a previous -i option)
Example:
cp -n myoldfile.txt mycopiedfile.txt
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栈和队列的面试题Java实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的数据（1、2、3）就符合队列的规律了，即负负得正。
完整版代码实现：
import java.util.Stack;
/**
* Created by smyhvae on 2015/9/9.
*/
public class Queue {
private Stack<Integer> stack1 = new Stack<>();//执行入队操作的栈
private Stack<Integ...